/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.huawei.healthecology.api;

import com.huawei.healthecology.data.bluetooth.response.BluetoothResponseCode;

import java.util.stream.Stream;

/**
 * Bluetooth central
 *
 * @param <T> Presents the type of bluetooth device instance
 */
public interface BluetoothCentral<T> {
    /**
     * Start discovery
     *
     * @return errorCode
     */
    BluetoothResponseCode startDiscovery();

    /**
     * Cancel discovery
     *
     * @return errorCode
     */
    BluetoothResponseCode cancelDiscovery();

    /**
     * Pair device
     *
     * @param deviceId device id
     * @return errorCode
     */
    BluetoothResponseCode pairDevice(String deviceId);

    /**
     * Get paired devices
     *
     * @return Stream
     */
    Stream<T> getPairedDevices();
}
